City water profile

Water hardness in South Bend

Find official utility reports, understand hardness, and check the water system serving your home in South Bend, Indiana.

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 3
Active health records: 1

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Utility hardness unavailable in this index

Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.

Find an official utility report →

Convert a hardness result →Test your tap →

Match the name on your water bill

Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

South Bend Water Works

IN5271014 · Groundwater · 115,000 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0.0047 mg/L
Action level: 0.015 mg/L

31% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Violation history (1)

Imported violation history for South Bend Water Works
Rule	Status	Period
Revised Total Coliform Rule	Resolved	Nov 1, 2025 to Nov 30, 2025

Clearwater Village Mobile Home Park

IN5271012 · Groundwater · 400 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Violation history (4)

Imported violation history for Clearwater Village Mobile Home Park
Rule	Status	Period
Lead and Copper Rule	Resolved	Jan 1, 2023 to Feb 16, 2023
Revised Total Coliform Rule	Resolved	Jan 11, 2022 to Jan 25, 2022
TTHM	Resolved	Jan 1, 2021 to Dec 31, 2021
Total Haloacetic Acids (HAA5)	Resolved	Jan 1, 2021 to Dec 31, 2021

Sunset Village & Rv Park

IN5271016 · Groundwater · 25 people served system-wide

The system names this served city; Census place overlap links the city to this ZCTA.

1 reported active health-based record(s) for this system

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2025 to Dec 31, 2025

Violation history (48)

Imported violation history for Sunset Village & Rv Park
Rule	Status	Period
Revised Total Coliform Rule	Archived	Feb 1, 2026 to Feb 28, 2026
Revised Total Coliform Rule	Archived	Jan 1, 2026 to Jan 31, 2026
Lead and Copper Rule	Unaddressed	Jan 1, 2026
Public Notice	Unaddressed	Dec 2, 2025
Revised Total Coliform Rule	Archived	Dec 1, 2025 to Dec 31, 2025
Consumer Confidence Rule	Unaddressed	Oct 1, 2025
Consumer Confidence Rule	Unaddressed	Jul 1, 2025
Revised Total Coliform Rule	Resolved	Jul 1, 2025 to Jul 31, 2025
Gross Alpha, Excl. Radon and U	Resolved	Apr 1, 2025 to Jun 30, 2025
Radium-226	Resolved	Apr 1, 2025 to Jun 30, 2025
Radium-228	Resolved	Apr 1, 2025 to Jun 30, 2025
Endrin	Archived	Jan 1, 2025 to Dec 31, 2025
Toxaphene	Archived	Jan 1, 2025 to Dec 31, 2025
Diquat	Archived	Jan 1, 2025 to Dec 31, 2025
Endothall	Archived	Jan 1, 2025 to Dec 31, 2025
Dinoseb	Archived	Jan 1, 2025 to Dec 31, 2025
Carbofuran	Archived	Jan 1, 2025 to Dec 31, 2025
Atrazine	Archived	Jan 1, 2025 to Dec 31, 2025
LASSO	Archived	Jan 1, 2025 to Dec 31, 2025
Heptachlor	Archived	Jan 1, 2025 to Dec 31, 2025
Heptachlor epoxide	Archived	Jan 1, 2025 to Dec 31, 2025
2,4-D	Archived	Jan 1, 2025 to Dec 31, 2025
2,4,5-TP	Archived	Jan 1, 2025 to Dec 31, 2025
Benzo(a)pyrene	Archived	Jan 1, 2025 to Dec 31, 2025
Pentachlorophenol	Archived	Jan 1, 2025 to Dec 31, 2025
1,2-DIBROMO-3-CHLOROPROPANE	Archived	Jan 1, 2025 to Dec 31, 2025
Chlordane	Archived	Jan 1, 2025 to Dec 31, 2025
Public Notice	Unaddressed	Jan 1, 2025
Di(2-ethylhexyl) adipate	Archived	Jan 1, 2025 to Dec 31, 2025
Picloram	Archived	Jan 1, 2025 to Dec 31, 2025
Dalapon	Archived	Jan 1, 2025 to Dec 31, 2025
ETHYLENE DIBROMIDE	Archived	Jan 1, 2025 to Dec 31, 2025
Methoxychlor	Archived	Jan 1, 2025 to Dec 31, 2025
Glyphosate	Archived	Jan 1, 2025 to Dec 31, 2025
BHC-GAMMA	Archived	Jan 1, 2025 to Dec 31, 2025
Simazine	Archived	Jan 1, 2025 to Dec 31, 2025
Di(2-ethylhexyl) phthalate	Archived	Jan 1, 2025 to Dec 31, 2025
Hexachlorocyclopentadiene	Archived	Jan 1, 2025 to Dec 31, 2025
HEXACHLOROBENZENE	Archived	Jan 1, 2025 to Dec 31, 2025
OXAMYL	Archived	Jan 1, 2025 to Dec 31, 2025
LEAD AND COPPER RULE REVISIONSHealth-based	Unaddressed	Oct 17, 2024
LEAD AND COPPER RULE REVISIONS	Unaddressed	Oct 17, 2024
Consumer Confidence Rule	Unaddressed	Oct 10, 2024
Consumer Confidence Rule	Unaddressed	Jul 1, 2024
Lead and Copper Rule	Resolved	Jan 1, 2023 to Jun 9, 2025
Consumer Confidence Rule	Resolved	Oct 1, 2022 to Nov 6, 2023
Consumer Confidence Rule	Resolved	Jul 1, 2022 to Jul 12, 2023
Lead and Copper RuleHealth-based	Resolved	Nov 22, 2021 to Sep 27, 2022

City summary

What the indexed records say

South Bend has 9 published ZIP profiles across St. Joseph County. The regional-evidence median is 360 PPM. The city does not meet the stricter comparison standard.

The 359.5–380 PPM range shows how much the available ZIP estimates vary within the city label. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard0 ZIPs

Very hard6 ZIPs

6 of 9 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 23.4 miles
Profiles with evidence: 6/9

Confidence labels

High: 0Moderate: 5Low: 1

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other Indiana communities

Granger

St. Joseph County

360 PPM median

Lakeville

St. Joseph County

310 PPM median

Mishawaka

St. Joseph County

360 PPM median

North Liberty

St. Joseph County

310 PPM median

Notre Dame

St. Joseph County

360 PPM median

Osceola

St. Joseph County

360 PPM median

Search all 386 Indiana cities →

Questions people ask

About water in South Bend

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.